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Contact:
Kang Lee

General Information:
301 975 6602 Telephone
301 990 3851 Facsimile

100 Bureau Drive,
M/S 8220
Gaithersburg, MD 20899-8220

Meta TEDS

Below is an example of a Meta TEDS:
     
 
    Meta TEDS    
Field # Description Field Length (Bytes) Field Type Field Contents
Data Structure related information  
 
1 Meta-TEDS Length 4 U32 48
2 IEEE 1451 Standards Family Working Group Number 1 U8 2
3 TEDS Major Version Number 2 U16 2
4 Future Extensions Key 1 U8 0 (NONE)
5 CHANNEL_ZERO Industry Extensions Key 1 U8 0 (NONE)
6 End User's Application Specific TEDS Key 1 U8 0
7 Number of Implemented Channels 1 U8 1
8 String Language Code 1 U8 0
9 Bytes per Character 1 U8 1
Timing Related information  
 
10 Worst Case Channel Data Model Length 1 U8 2
11 Worst Case Channel Data Repetitions 2 U16 1
12 Worst Case Channel Update Time 4 F32 2.00E-05
13 Worst Case Channel Write Setup Time 4 F32 0
14 Worst Case Channel Read Setup Time 4 F32 8.00E-05
15 Input/Output Response Time 4 F32 5.00E-04
16 Calibration TEDS Write Time 4 F32 0.00E+00
17 Worst Case Data Clock Frequency 4 U32 2.00E+05
18 Worst Case Channel Sampling Period 4 F32 2.00E-04
19 Worst Case Unit Warm Up Time 4 F32 1
Channel grouping related information      
20 Channel Groupings Data Sub-Block Length 2 U16 0
21 Number of Channel Groupings = G 0 U8 -
22 Group Name Length 0 U8 -
23 Group Name (<=255) 0 STRING -
24 Group Type 0 U8 -
25 Number of Group Members = N 0 U8 -
26 Member Channel Numbers List = M(N) (<=255) 0 array of U8 -
Data integrity information      
27 Checksum for Meta-TEDS 2 U16 62856
Data Structure related information      
28 Meta-Identification TEDS Length 4 U32 310
Identification related information      
29 Manufacturer's Identification Length 1 U8 55
30 Manufacturer's Identification (<=255) 55 STRING Texas Instruments Incorporated Control Product Division
31 Model Number Length 1 U8 9
32 Model Number (<=255) 9 STRING EX3514.XX
33 Revision Code Length 1 U8 2
34 Revision Code 2 STRING 01
35 Serial Number Length 1 U8 5
36 Serial Number (<=255) 5 STRING SN-01
37 Data Code Length 1 U8 25
38 Data Code (<=255) 25 STRING November 1, 1995, Shift 1
39 Product Description Length 2 U16 205
40 Product Description (<=65535) 205 STRING Description: Ratio metric Pressure Transducer
 
    Part Number: EX3514.XX
 
    Serial Number: SN-01
 
    Pressure Range: 0 to 3000 PSIA
 
    Input Voltage: 5Vdc
 
    Output Voltage 0 to 5 Vdc
 
    Temperature Range: -40 To 85 degrees C
         
Data Integrity information data sub-block      
41 Checksum for Meta-Identification TEDS 2 U16 38702
 
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